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Updated: Mar 1, 2026

Murine Hind Limb Long Bone Dissection and Bone Marrow Isolation

Murine Hind Limb Long Bone Dissection and Bone Marrow Isolation

Published on: April 14, 2016

Emerging Molecularly Defined Bone and Soft Tissue Diagnoses: When Do They Matter?

Jessica L Davis¹, Azadeh Samiei¹

¹Department of Pathology & Laboratory Medicine, Indiana University, Indianapolis, Indiana.

Modern Pathology : an Official Journal of the United States and Canadian Academy of Pathology, Inc

|February 27, 2026

Summary

This review highlights three recently classified mesenchymal neoplasms, emphasizing molecular genetic profiles for accurate diagnosis. Proper recognition is crucial as misdiagnosis can lead to different prognoses and treatments.

Keywords:

SRF cellular myofibroma infantile fibrosarcoma kinase superficial CD34-positive fibroblastic tumor

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Murine Hind Limb Long Bone Dissection and Bone Marrow Isolation

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Area of Science:

Oncology
Molecular Pathology
Genomics

Background:

Advances in molecular pathology and genomic data are refining neoplasm classification.
Three specific mesenchymal neoplasms have been recently reclassified based on molecular genetics.
Accurate diagnosis of these tumors is critical due to differing prognoses and management of mimickers.

Purpose of the Study:

To introduce and discuss three recently classified mesenchymal neoplasms.
To highlight key clinicopathologic features for accurate diagnosis.
To provide strategies for differential diagnosis and avoid pitfalls.

Main Methods:

Review of recent classifications of mesenchymal neoplasms.
Discussion of clinicopathologic features.
Outline of ancillary studies and molecular characterization.

Main Results:

Introduction of SRF-rearranged myoid neoplasm (formerly cellular myofibroma).
Description of superficial CD34-positive fibroblastic tumor.
Overview of kinase-altered spindle cell neoplasms.

Conclusions:

Accurate diagnosis of these neoplasms is essential for appropriate patient management.
Molecular characterization plays a key role in definitive diagnosis.
Understanding these entities aids in avoiding diagnostic pitfalls and improving patient outcomes.